----- Original Message ----- > These patches are related to bz1174295 where fallocate could > exceed quota. I'm posting these for early feedback as these > patches are only compile-tested so far. > > patch 1 - This is the patch that actually addresses the quota > exceed issue. Quota checks were not being performed > against the blocks about to be allocated. > > patch 2 - Adds new variants of quota check functions that > return the number of allowed blocks if quotas are > violated by the number of requested blocks > > patch 3 - Adds a new variant of gfs2_inplace_reserve that > returns the max number of available blocks if the > function returns -ENOSPC due to unavailability of > the requested number of blocks. > > patch 4 - Allows fallocate to take advantage of patches 2 and > 3 to efficiently max out quotas or fill up the fs > instead of returning -EDQUOT/-ENOSPC and leaving some > available blocks unallocated. > > Abhi Das (4): > gfs2: check quota for blocks we're about to allocate > gfs2: add new quota check functions > gfs2: add new function gfs2_inpl_rsrv_ret_max_avl > gfs2: allow fallocate to max out quotas/fs efficiently > > fs/gfs2/aops.c | 6 +++--- > fs/gfs2/bmap.c | 2 +- > fs/gfs2/file.c | 30 ++++++++++++++++++------------ > fs/gfs2/inode.c | 14 ++++++++------ > fs/gfs2/quota.c | 26 +++++++++++++++++++++----- > fs/gfs2/quota.h | 20 +++++++++++++++++--- > fs/gfs2/rgrp.c | 13 +++++++++++-- > fs/gfs2/rgrp.h | 10 +++++++++- > fs/gfs2/xattr.c | 2 +- > 9 files changed, 89 insertions(+), 34 deletions(-) > > -- > 1.8.1.4
Hi, ACK. Looks okay to me. Regards, Bob Peterson Red Hat File Systems
